<template>
	<view>
		 <!-- 轮播图区域 -->
		    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
		      <!-- 循环渲染轮播图的 item 项 -->
		      <swiper-item v-for="(item,i) in swiperList" :key="i">
		        <navigator class="swiper-item" :url="'/subpkg/good_detail/good_detail?goods_id=' + item.goods_id">
		          <!-- 动态绑定图片的 src 属性 -->
		          <image :src="item.image_src"></image>
		        </navigator>
		      </swiper-item>
		    </swiper>
  <!-- 分类导航区域 -->
  <view class="nav-list">
    <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
      <image :src="item.image_src" class="nav-img"></image>
    </view>
  </view>
  <!-- 楼层区域 -->
  <!-- 楼层的容器 -->
  <view class="floor-list">
    <!-- 楼层的标题 -->
    <view class="floor-item" v-for="(item,i) in floorList" :key="i">
      <image :src="item.floor_title.image_src" mode="" class="floor-img"></image>
    <!-- 楼层的图片区域 -->
    <view class="floor-img-box">
      <!-- 左侧大图片的盒子 -->
      <navigator class="left-img-box" :url="item.product_list[0].url">
        <!-- ：style动态绑定样式:style={}"" -->
        <image :src="item.product_list[0].image_src" mode="widthFix" :style="{width: item.product_list[0].image_width + 'rpx'}"></image>
      </navigator>
      <!-- 右侧4个小图片的盒子 -->
      <view class="right-img-box">
        <!-- 忽略索引为0的图片 -->
        <navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
          <image :src="item2.image_src" :style="{width: item2.image_width + 'rpx'}" mode="widthFix"></image>
        </navigator>
      </view>
    </view>
  </view>
  </view>
  </view>
</template>

<script>
	export default {
		data() {
			return {
				//轮播图数据
        swiperList:[],
        //分类导航的数据
        navList: [],
        //楼层列表的数据
        floorList:[]
			};
		},
    onLoad(){
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods:{
      async getSwiperList(){
        const {data: res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        console.log(res)   
        if(res.meta.status !== 200) return uni.$showMsg()
        //请求成功，为轮播图赋值
        this.swiperList = res.message
        uni.$showMsg('数据加载成功！')
      },
      async getNavList(){
        const {data: res} = await uni.$http.get('/api/public/v1/home/catitems')
        if(res.meta.status !== 200) return uni.$showMsg()
        //加载成功，给分类导航数据赋值
        this.navList = res.message
      },
      async getFloorList(){
        const {data: res} = await uni.$http.get('/api/public/v1/home/floordata')
        if(res.meta.status !== 200) return uni.$showMsg()
        //加载成功，给楼层列表数据赋值
        //加载成功之后使用双层循环进行处理
        res.message.forEach(floor=>{
          floor.product_list.forEach(prod=>{
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      },
      navClickHandler(item){
       if(item.name === '分类'){
         uni.switchTab({
           url: '/pages/cate/cate'
         })
       }
      }
    },
	}
</script>

<style lang="scss">
swiper{
  height:330rpx;
  //使图片能撑满swiper容器
  .swiper-item,image{
    width: 100%;
    height: 100%;
  }
}
.nav-list{
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
}
.nav-img{
  width: 128rpx;
  height: 140rpx;
}
.floor-img{
  width: 100%;
  height: 60rpx;
}
.right-img-box{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.floor-img-box{
  display: flex;
  padding-left: 10rpx;
}
</style>
